BR112014016768A2 - method and device for generating a super resolution version of a low resolution input data structure - Google Patents

method and device for generating a super resolution version of a low resolution input data structure

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Publication number
BR112014016768A2
BR112014016768A2 BR112014016768A BR112014016768A BR112014016768A2 BR 112014016768 A2 BR112014016768 A2 BR 112014016768A2 BR 112014016768 A BR112014016768 A BR 112014016768A BR 112014016768 A BR112014016768 A BR 112014016768A BR 112014016768 A2 BR112014016768 A2 BR 112014016768A2
Authority
BR
Brazil
Prior art keywords
resolution
low
image
super
low resolution
Prior art date
Application number
BR112014016768A
Other languages
Portuguese (pt)
Other versions
BR112014016768A8 (en
Inventor
Kochale Axel
Salvador Jordi
Borsum Malte
Original Assignee
Thomson Licensing
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Thomson Licensing filed Critical Thomson Licensing
Publication of BR112014016768A2 publication Critical patent/BR112014016768A2/en
Publication of BR112014016768A8 publication Critical patent/BR112014016768A8/en

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Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T5/00—Image enhancement or restoration
    • G06T5/70—Denoising; Smoothing
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T3/00—Geometric image transformations in the plane of the image
    • G06T3/40—Scaling of whole images or parts thereof, e.g. expanding or contracting
    • G06T3/4053—Scaling of whole images or parts thereof, e.g. expanding or contracting based on super-resolution, i.e. the output image resolution being higher than the sensor resolution
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T5/00—Image enhancement or restoration
    • G06T5/73—Deblurring; Sharpening

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Image Processing (AREA)
  • Editing Of Facsimile Originals (AREA)

Abstract

resumo "método e dispositivo para a geração de uma versão de super resolução de uma estrutura de dados de entrada de baixa resolução" a presente invenção se refere ao aperfeiçoamento da resolução de sinais multi dimensionais regularmente amostrados, em que um único sinal de baixa resolução está disponível. estes métodos são genericamente referidos como uma super resolução baseada em exemplo ou a uma super resolução de imagem única. o método para a super resolução de uma imagem única compreende três estágios. primeiramente, um escalonamento baseado em interpolação da imagem de entrada é realizado, seguido de uma operação de filtragem passa baixa equivalente sobre a imagem de baixa resolução. o segundo estágio compreende uma pesquisa para correspondências de baixa frequência entre um patch inspecionado na imagem de alta resolução e os patches em uma vizinhança local na imagem de baixa frequência e baixa resolução, incluindo os patches parcialmente sobrepostos, e o acúmulo da contribuição de alta frequência obtida a partir da imagem de baixa resolução. o terceiro estágio compreende a adição das contribuições da banda de baixa frequência da imagem de alta resolução e da banda de alta frequência extrapolada.Summary "Method and Device for Generating a Super Resolution Version of a Low Resolution Input Data Structure" The present invention relates to enhancing the resolution of regularly sampled multi-dimensional signals, wherein a single low resolution signal is available. These methods are generally referred to as an example based super resolution or a single image super resolution. The method for super resolution of a single image comprises three stages. First, a scaling based on input image interpolation is performed, followed by an equivalent low pass filtering operation over the low resolution image. The second stage comprises a search for low frequency matches between a patch inspected on the high resolution image and patches in a local neighborhood on the low frequency and low resolution image, including partially overlapping patches, and the accumulation of the high frequency contribution. obtained from the low resolution image. The third stage comprises the addition of the low frequency band contributions of the high resolution image and the extrapolated high frequency band.

BR112014016768A 2012-01-12 2013-01-11 method and device for generating a super resolution version of a low resolution input data structure BR112014016768A8 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP12305046.0A EP2615579A1 (en) 2012-01-12 2012-01-12 Method and device for generating a super-resolution version of a low resolution input data structure
PCT/EP2013/050466 WO2013104747A1 (en) 2012-01-12 2013-01-11 Method and device for generating a super-resolution version of a low resolution input data structure

Publications (2)

Publication Number Publication Date
BR112014016768A2 true BR112014016768A2 (en) 2017-06-13
BR112014016768A8 BR112014016768A8 (en) 2017-07-04

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
BR112014016768A BR112014016768A8 (en) 2012-01-12 2013-01-11 method and device for generating a super resolution version of a low resolution input data structure

Country Status (9)

Country Link
US (1) US9245326B2 (en)
EP (2) EP2615579A1 (en)
JP (1) JP2015507273A (en)
KR (1) KR20140116406A (en)
CN (1) CN104137143A (en)
AU (1) AU2013208922A1 (en)
BR (1) BR112014016768A8 (en)
HK (1) HK1204126A1 (en)
WO (1) WO2013104747A1 (en)

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Also Published As

Publication number Publication date
EP2803036B1 (en) 2015-11-04
WO2013104747A1 (en) 2013-07-18
JP2015507273A (en) 2015-03-05
US9245326B2 (en) 2016-01-26
CN104137143A (en) 2014-11-05
KR20140116406A (en) 2014-10-02
HK1204126A1 (en) 2015-11-06
EP2803036A1 (en) 2014-11-19
EP2615579A1 (en) 2013-07-17
US20150023611A1 (en) 2015-01-22
AU2013208922A1 (en) 2014-07-24
BR112014016768A8 (en) 2017-07-04

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B25G Requested change of headquarter approved

Owner name: THOMSON LICENSING (FR)

B25A Requested transfer of rights approved

Owner name: INTERDIGITAL CE PATENT HOLDINGS (FR)

B06U Preliminary requirement: requests with searches performed by other patent offices: procedure suspended [chapter 6.21 patent gazette]
B350 Update of information on the portal [chapter 15.35 patent gazette]
B09A Decision: intention to grant [chapter 9.1 patent gazette]
B11D Dismissal acc. art. 38, par 2 of ipl - failure to pay fee after grant in time